US Patent Issued to Semiconductor Energy Laboratory on Oct. 14 for "Optical device and electronic device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,072, issued on Oct. 14, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Optical device and electronic device" was invented by Ryo Hatsumi (Kanagawa, Japan), Hisao Ikeda (Kanagawa, Japan), Daiki Nakamura (Kanagawa, Japan), Takeya Hirose (Kanagawa, Japan) and Yosuke Tsukamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thin optical device having high light utilization efficiency and less chromatic aberration and a small electronic device including the optical device are provided. The thin optical device includes a first reflective polarizing plate, a lens, an optical rotator, a retardation plate, and a second r...